By giving the definitions of geodesic main torsion and torsion line, discussing their some properties.
给出了测地主挠率和挠率线的定义，讨论了测地主挠率和挠率线的一些性质。
An algorithm for computing the geodesic line between the two points of an algebraic surface was presented.
给出了求解代数曲面上两点之间测地线的一种算法。
An algorithm for computing the geodesic line between the two points of an algebraic surface was presented.
给出了求解代数曲面上两点之间测地线的一种算法。
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